Home / 90,481.74-124,864.95-50,195.50

Finding the Fourth Proportional to 90,481.74, 124,864.95 and 50,195.50

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Solution

The fourth proportional to 90,481.74, 124,864.95 and 50,195.50 is: 69,269.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,481.74 : 124,864.95 = 50,195.50 : x
  2. Step 2: Convert to fraction form
    90,481.74/124,864.95 = 50,195.50/x
  3. Step 3: Cross multiply
    90,481.74x = 124,864.95 × 50,195.50
  4. Step 4: Simplify right side
    90,481.74x = 6,267,658,964.40
  5. Step 5: Solve for x
    x = 6,267,658,964.40/90,481.74
  6. Step 6: Final answer
    x = 69,269.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.